Perovskite solar cell
A perovskite solar cell (PSC) is a type of solar cell that includes a perovskite-structured compound, most commonly a hybrid organic–inorganic lead or tin halide-based material as the light-harvesting active layer. Perovskite materials, such as methylammonium lead halides the all-inorganic cesium lead halide, are…
Solar power in the United Kingdom
Solar power has a growing role in electricity production in the United Kingdom, contributing around 6.4% of the UK's annual power generation in 2025. As of 2025, on sunny days, it provides over 30% of the UK's power consumption at times.
Photovoltaic power station
A photovoltaic power station, also known as a solar park, solar farm, or solar power plant, is a large-scale grid-connected photovoltaic power system (PV system) designed for the supply of merchant power. They are different from most building-mounted and other decentralized solar power because they supply power at the…
Building insulation material
Building insulation materials are the building materials that form the thermal envelope of a building or otherwise reduce heat transfer. Insulation may be categorized by its composition (natural or synthetic materials), form (batts, blankets, loose-fill, spray foam, and panels), structural contribution (insulating…
China Sunergy
China Sunergy CSUN (Chinese: 中电光伏) is a Chinese solar cell products manufacturer based in Nanjing, Jiangsu. The company specializes in creating solar cells from silicon wafers.
1979 oil crisis
The 1979 oil crisis, sometimes referred to as the second oil crisis (in reference to the 1973 oil crisis), refers to the drop in oil production in the aftermath of the Iranian Revolution that led to an energy crisis in 1979. Although the global oil supply only decreased by approximately four percent, the oil markets'…
Liquid-crystal display
A liquid-crystal display (LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals combined with polarizers to display information. Liquid crystals do not emit light directly but instead use a backlight or reflector to produce images in…
Tom Price (American politician)
Thomas Edmunds Price (born October 8, 1954) is an American physician and Republican Party politician who served as the U.S. representative for Georgia's 6th congressional district, encompassing the northern suburbs of Atlanta, from 2005 to 2017. While in Congress, Price chaired the House Committee on the Budget,…
2007–2008 world food price crisis
World food prices increased dramatically in 2007 and the first and second quarter of 2008, creating a global crisis and causing political and economic instability and social unrest in both poor and developed nations. Although the media spotlight focused on the riots that ensued in the face of high prices, the ongoing…
Canadian property bubble
The Canadian property bubble refers to the significant rise in Canadian real estate prices between 2002 and 2022, with short periods of falling prices in 2008 and 2018.